the ability to acquire and apply knowledge and skills.
“an eminent man of great intelligence”
intellectual/mental capacity, intellect, mind, brain, brains, brainpower, powers of reasoning, judgement, reason, reasoning, understanding, comprehension, acumen, wit, sense, insight, perceptiveness, perception, perspicaciousness, perspicacity, penetration, discernment, sharpness, quickness of mind, quick-wittedness, smartness, canniness, astuteness, intuition, acuity, alertness, cleverness, brilliance, aptness, ability, giftedness, talent; informalbraininess
“a man of great intelligence”
plural noun: intelligences
So by this definition, if we were to install intelligence into a control system, is the system intelligent?